QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#689119#983. The Hash Tablenullptr_qwqAC ✓64ms3692kbC++202.2kb2024-10-30 15:25:392024-10-30 15:25:40

Judging History

你现在查看的是最新测评结果

  • [2024-10-30 15:25:40]
  • 评测
  • 测评结果:AC
  • 用时:64ms
  • 内存:3692kb
  • [2024-10-30 15:25:39]
  • 提交

answer

// 私は猫です

#include<bits/stdc++.h>
#define ull unsigned long long
#define ll long long
#define pb push_back
#define mkp make_pair
#define fi first
#define se second
#define inf 1000000000
#define infll 1000000000000000000ll
#define pii pair<int,int>
#define rep(i,a,b,c) for(int i=(a);i<=(b);i+=(c))
#define per(i,a,b,c) for(int i=(a);i>=(b);i-=(c))
#define F(i,a,b) for(int i=a,i##end=b;i<=i##end;i++)
#define dF(i,a,b) for(int i=a,i##end=b;i>=i##end;i--)
#define cmh(sjy) while(sjy--)
#define lowbit(x) (x&(-x))
#define HH printf("\n")
#define eb emplace_back
#define poly vector<int>
#define SZ(x) ((int)x.size())
using namespace std;
ll read(){
	ll x=0,f=1;char c=getchar();
	while(c<'0'||c>'9'){if(c=='-') f=-1;c=getchar();}
	while(c>='0'&&c<='9') x=(x<<3)+(x<<1)+(c^48),c=getchar();
	return x*f;
}
template<typename T>inline void chkmax(T &x,const T &y){ x=std::max(x,y); }
template<typename T>inline void chkmin(T &x,const T &y){ x=std::min(x,y); }
const int mod=998244353,maxn=500005;
ll func(ll a,ll b,ll c,ll N){
    if(!a)return b/c*(N+1);
    if(a>=c||b>=c)
    return (a/c)*N*(N+1)/2+(b/c)*(N+1)+func(a%c,b%c,c,N);
    ll M=(a*N+b)/c;
    return N*M-func(c,c-b-1,a,M-1);
}
ll calc(int n,int a,int b,int c,int t){
	if(a<0)b+=(n-1)*a,a=-a;
	if(b<0){
		if(!a)return 0;
		int tmp=(a-b-1)/a;
		n-=tmp,b+=a*tmp;
	}
	return (n>0)?func(a,b,c,n-1)+t*n:0;
}
vector<array<int,3>>pr;
int n,m;
ll ans=0;
void dfs(int u,int a,int b,int qwq){
	if(u>=SZ(pr)){
		ll res=0;
		F(c,0,1)F(d,0,1)if(!((c*a+b*d)&1)){
			int x=((n-1)/a-c)>>1,y=(((n-1)<<1)/a-c)>>1;
			if(x>=0)res+=calc(x+1,a,(c*a-b*d)>>1,b,d)-calc(x+1,-a,n-1-((a*c+b*d)>>1),b,d);
			if(y>=0)res+=calc(y+1,-a,n-1-((c*a+b*d)>>1),b,d);
		}
		ans+=1ll*qwq*res;
		return;
	}
	int t=1,val=pr[u][2];
	F(i,0,pr[u][1]){
		dfs(u+1,a*t,b*val/t,qwq);
		if(i<pr[u][1])dfs(u+1,a*t*pr[u][0],b*val/t,-qwq);
		t*=pr[u][0];
	}
}
void solve(){
	n=read(),m=read(),pr.clear(),ans=0;
	F(i,2,sqrt(m))if(m%i==0){
		int cnt=0,val=1;
		for(;m%i==0;m/=i)++cnt,val*=i;
		pr.push_back({i,cnt,val});
	}
	if(m>1)pr.push_back({m,1,m});
	dfs(0,1,1,1),cout<<ans<<endl;
}
signed main(){
	const int zsy=read();
	F(____,1,zsy)solve();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3680kb

input:

3
5 4
1234 5678
5 4

output:

4
229
4

result:

ok 3 tokens

Test #2:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

5
919191919 998244353
919191919 308308924
124312512 700980343
199712020 199712020
1000000000 1000000000

output:

420069742
18975162173
34523625
619107226
36400000000

result:

ok 5 tokens

Test #3:

score: 0
Accepted
time: 0ms
memory: 3492kb

input:

5
351177178 2
236814804 3
406487669 4
107706571 5
206252441 6

output:

30831352411422332
15578125268692158
41308056059019556
2088126907497711
5908342860201211

result:

ok 5 tokens

Test #4:

score: 0
Accepted
time: 50ms
memory: 3632kb

input:

5
795965436 698377680
775372176 735134400
891189723 555660000
255414898 555660000
649803503 967458816

output:

252131828509
252898591532
196092107465
16019483439
23110007395

result:

ok 5 tokens

Test #5:

score: 0
Accepted
time: 64ms
memory: 3560kb

input:

5
980056074 669278610
786804145 536870912
94743614 669278610
925596206 551350800
277753133 735134400

output:

151494104505
16332684795
1386109471
391665329539
32367779875

result:

ok 5 tokens

Test #6:

score: 0
Accepted
time: 64ms
memory: 3648kb

input:

5
407928831 901800900
959460685 551350800
929921323 901800900
880362378 551350800
169887581 551350800

output:

24176516170
420863755861
126194540248
354298688005
13128893811

result:

ok 5 tokens

Test #7:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

5
755923335 903960666
248398318 89883150
32020160 729647777
48000958 745177909
261977197 120541067

output:

5122927135
10499768724
1250410
5736978
980686184

result:

ok 5 tokens

Test #8:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

5
120618885 904615503
860299168 970357266
2922308 99586084
116144876 802899228
621873179 98196855

output:

72362680
1890408813
77476
180492837
23279216759

result:

ok 5 tokens

Test #9:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

5
337929091 905270340
472298323 850733078
973824456 50926103
184354331 860587779
981801929 75885412

output:

2695205304
791722210
18137207967
13641011
50173808550

result:

ok 5 tokens

Test #10:

score: 0
Accepted
time: 2ms
memory: 3676kb

input:

5
725900160 906132534
140660629 407214962
935092856 84357639
706890499 221743500
461717852 516104007

output:

3448528660
288899219
61675795925
96294825272
475220310

result:

ok 5 tokens

Test #11:

score: 0
Accepted
time: 1ms
memory: 3556kb

input:

5
943210366 906787371
752627016 287590774
905995005 183214075
775132721 279464819
821646602 493792564

output:

11587484479
1606204266
21788486368
3802176853
10347608659

result:

ok 5 tokens

Test #12:

score: 0
Accepted
time: 1ms
memory: 3560kb

input:

5
943210366 900720143
752627016 900720143
905995005 942060233
775132721 942060233
821646602 962178361

output:

1522977645
931104902
1306217667
941841841
691366758

result:

ok 5 tokens